003 File Manager
Current Path:
/usr/src/sys/compat/linuxkpi/common/include/asm/fpu
usr
/
src
/
sys
/
compat
/
linuxkpi
/
common
/
include
/
asm
/
fpu
/
📁
..
📄
api.h
(1.98 KB)
Editing: api.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2020 Greg V <greg@unrelenting.technology> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _FPU_API_H_ #define _FPU_API_H_ #if defined(__aarch64__) || defined(__amd64__) || defined(__i386__) #include <machine/fpu.h> extern struct fpu_kern_ctx *__lkpi_fpu_ctx; extern unsigned int __lkpi_fpu_ctx_level; static inline void kernel_fpu_begin() { if (__lkpi_fpu_ctx_level++ == 0) { fpu_kern_enter(curthread, __lkpi_fpu_ctx, FPU_KERN_NORMAL); } } static inline void kernel_fpu_end() { if (--__lkpi_fpu_ctx_level == 0) { fpu_kern_leave(curthread, __lkpi_fpu_ctx); } } #else static inline void kernel_fpu_begin() { } static inline void kernel_fpu_end() { } #endif #endif /* _FPU_API_H_ */
Upload File
Create Folder